| /* |
| * Copyright 2013 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #define LOG_TAG "RegionTest" |
| |
| #include <stdlib.h> |
| #include <ui/Region.h> |
| #include <ui/Rect.h> |
| #include <gtest/gtest.h> |
| |
| #include <ui/mat4.h> |
| |
| namespace android { |
| |
| class MatTest : public testing::Test { |
| protected: |
| }; |
| |
| TEST_F(MatTest, Basics) { |
| mat4 m0; |
| EXPECT_EQ(sizeof(mat4), sizeof(float)*16); |
| } |
| |
| TEST_F(MatTest, ComparisonOps) { |
| mat4 m0; |
| mat4 m1(2); |
| |
| EXPECT_TRUE(m0 == m0); |
| EXPECT_TRUE(m0 != m1); |
| EXPECT_FALSE(m0 != m0); |
| EXPECT_FALSE(m0 == m1); |
| } |
| |
| TEST_F(MatTest, Constructors) { |
| mat4 m0; |
| ASSERT_EQ(m0[0].x, 1); |
| ASSERT_EQ(m0[0].y, 0); |
| ASSERT_EQ(m0[0].z, 0); |
| ASSERT_EQ(m0[0].w, 0); |
| ASSERT_EQ(m0[1].x, 0); |
| ASSERT_EQ(m0[1].y, 1); |
| ASSERT_EQ(m0[1].z, 0); |
| ASSERT_EQ(m0[1].w, 0); |
| ASSERT_EQ(m0[2].x, 0); |
| ASSERT_EQ(m0[2].y, 0); |
| ASSERT_EQ(m0[2].z, 1); |
| ASSERT_EQ(m0[2].w, 0); |
| ASSERT_EQ(m0[3].x, 0); |
| ASSERT_EQ(m0[3].y, 0); |
| ASSERT_EQ(m0[3].z, 0); |
| ASSERT_EQ(m0[3].w, 1); |
| |
| mat4 m1(2); |
| mat4 m2(vec4(2)); |
| mat4 m3(m2); |
| |
| EXPECT_EQ(m1, m2); |
| EXPECT_EQ(m2, m3); |
| EXPECT_EQ(m3, m1); |
| |
| mat4 m4(vec4(1), vec4(2), vec4(3), vec4(4)); |
| } |
| |
| TEST_F(MatTest, ArithmeticOps) { |
| mat4 m0; |
| mat4 m1(2); |
| mat4 m2(vec4(2)); |
| |
| m1 += m2; |
| EXPECT_EQ(mat4(4), m1); |
| |
| m2 -= m1; |
| EXPECT_EQ(mat4(-2), m2); |
| |
| m1 *= 2; |
| EXPECT_EQ(mat4(8), m1); |
| |
| m1 /= 2; |
| EXPECT_EQ(mat4(4), m1); |
| |
| m0 = -m0; |
| EXPECT_EQ(mat4(-1), m0); |
| } |
| |
| TEST_F(MatTest, UnaryOps) { |
| const mat4 identity; |
| mat4 m0; |
| |
| ++m0; |
| EXPECT_EQ(mat4( vec4(2,1,1,1), vec4(1,2,1,1), vec4(1,1,2,1), vec4(1,1,1,2) ), m0); |
| EXPECT_EQ(mat4( -vec4(2,1,1,1), -vec4(1,2,1,1), -vec4(1,1,2,1), -vec4(1,1,1,2) ), -m0); |
| |
| --m0; |
| EXPECT_EQ(identity, m0); |
| } |
| |
| TEST_F(MatTest, MiscOps) { |
| const mat4 identity; |
| mat4 m0; |
| EXPECT_EQ(4, trace(m0)); |
| |
| mat4 m1(vec4(1,2,3,4), vec4(5,6,7,8), vec4(9,10,11,12), vec4(13,14,15,16)); |
| mat4 m2(vec4(1,5,9,13), vec4(2,6,10,14), vec4(3,7,11,15), vec4(4,8,12,16)); |
| EXPECT_EQ(m1, transpose(m2)); |
| EXPECT_EQ(m2, transpose(m1)); |
| EXPECT_EQ(vec4(1,6,11,16), diag(m1)); |
| |
| EXPECT_EQ(identity, inverse(identity)); |
| |
| mat4 m3(vec4(4,3,0,0), vec4(3,2,0,0), vec4(0,0,1,0), vec4(0,0,0,1)); |
| mat4 m3i(inverse(m3)); |
| EXPECT_FLOAT_EQ(-2, m3i[0][0]); |
| EXPECT_FLOAT_EQ( 3, m3i[0][1]); |
| EXPECT_FLOAT_EQ( 3, m3i[1][0]); |
| EXPECT_FLOAT_EQ(-4, m3i[1][1]); |
| |
| mat4 m3ii(inverse(m3i)); |
| EXPECT_FLOAT_EQ(m3[0][0], m3ii[0][0]); |
| EXPECT_FLOAT_EQ(m3[0][1], m3ii[0][1]); |
| EXPECT_FLOAT_EQ(m3[1][0], m3ii[1][0]); |
| EXPECT_FLOAT_EQ(m3[1][1], m3ii[1][1]); |
| |
| EXPECT_EQ(m1, m1*identity); |
| } |
| |
| }; // namespace android |